Ayumi "Ayu, Yumippe" Nonomura

Popular among boys for having a large bust and a naive personality, her photos are always in high demand. Due to her extreme shyness, she had trouble making friends since the middle school and is most often the victim of practical jokes and mischief by others.

Her name contains a kanji of snake and the first kanji letter of her name is pronounced as 'No' (North). Thus, revealing her name's relationship with Black Tortoise of the North.